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The Keystone Gold-Copper District, Medicine Bow Mountains, Southeastern Wyoming
May 2002 by W. Dan Hausel
The Keystone district includes a group of mineralized shear zones and veins that are associated with the Keystone Quartz Diorite in the Medicine Bow Mountains of southwestern Wyoming. Gold production from this district is unknown, although some estimates suggest that 7,500 to more than 12,000 ounces were produced.PGMs in the United States
Until just recently, platinum-group metals (PGMs), especially palladium, had been holding their own on the market. But, Russia has now resumed shipments and it has brought prices down.
How to Make a Rock Sled for Dredging
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
Red Lake, Ontario
The mining and logging community of Red Lake, Ontario, population 5,000, is about 450 miles, as the crow flies, north of Minneapolis, Minnesota.
In Pursuit of Gold and Silver in the Sierra Madres—Establishing a Mining Company in Mexico
My wife Ann and I moved three years ago to the Pueblo of Arivechi, Sonora, in order to be near the mining concessions we owned and to build a precious metals concentrating mill.
The Bawl Mill
• Distaster bill is a disaster
• By the numbers
• Image isn't everything in Illinois...
Metal-Mineral Identification Utilizing a Detector
Seldom is a metal detector used for ore sampling today. Nevertheless, this procedure still works as all BFO and VLF detectors have a non-conductive mineral zone and a conductive metal zone with a neutral null zone between them.
Gold in Suriname
Suriname is a former Dutch colony on the north coast of South America, with an area of 63,000 square miles and a population of 450,000. Indians inhabited the region when Spaniards first sailed the coast in 1499.
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The Bawl Mill
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